Perhaps you should try some spelling variations:
"export policies integration power." » "export policy integration power.", "export policies international power.", "export political integration power.", "export policies integrative power.", "export policies integration process.", "import policies integration power.", "support policies integration power.", "efforts policies integration power."
"supply africa irrigation scheme." » "supply africa immigration scheme.", "supply syria irrigation scheme.", "supply drip irrigation scheme.", "supply africa irrigation systems."

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("supply africa irrigation scheme.") or ("export policies integration power."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply africa irrigation scheme.") OR ("export policies integration power.")).
• Removing quotes may allow a broader search: (( supply africa irrigation scheme. ) or ( export policies integration power. )).
• Adding a wildcard symbol may retrieve word variants: (("supply africa irrigation scheme.") or ("export policies integration power."))*.